Habitat: The Himalayas from Uttar Pradesh to West Bengal, up to an altitude of 1,200 m.
Ayurvedic: Sahachara (blue- flowered var.).Siddha/Tamil: Nili.Folk: Koilekhaa.Action: Mild antiseptic, expectorant (given in spasmodic cough); also used as an antianaemic.
The plant gave beta-and gamma- sitosterol.